package vip.zhenzicheng.design_patterns.builder.demo1;

/**
 * @author zhenzicheng
 * @date 2022-05-25 17:46
 */
public abstract class Builder {

  //声明Bike类型的变量，并进行赋值
  protected Bike bike = new Bike();

  public abstract void buildFrame();

  public abstract void buildSeat();

  //构建自行车的方法
  public abstract Bike createBike();
}
